Question

Simplify:
(i) (root5+7i) (root5 - 7i)^3
.
(ii) (1 + i) (2 + 3i) (3 + 4i) (4 + 5i)
(iii) (1 + i^2) + i^4 + i^6.​

Answer 1

Step-by-step explanations:

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